Specially designed for cranks and pedals the park tool ht 8 hex tool is designed and built for speed leverage and comfort features an ergonomically designed screwdriver handle with an extra long super strong 8mm hex on one end and an 8mm ball end hex on the other park tool ht 8 hex tool features specially designed for cranks freehubs and pedals the hex tool is built for speed leverage and comfort the dual density ergonomically designed screwdriver handle provides secure